Narrow gear box



FIG. 1 is a top plan view of a narrow gear box showing my new design.

FIG. 2 is a bottom plan view thereof.

FIG. 3 is a front elevational view thereof.

FIG. 4 is a rear elevational view thereof.

FIG. 5 is a left side view thereof.

FIG. 6 is a right side view thereof.

FIG. 7 is a top rear right perspective view thereof; and,

FIG. 8 is a bottom rear left perspective view thereof.

An ornamental design for a narrow gear box, as shown and described. 